1 /*
   2  * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "incls/_precompiled.incl"
  27 #include "incls/_vmreg_zero.cpp.incl"
  28 
  29 void VMRegImpl::set_regName() {
  30   int i = 0;
  31   Register reg = ::as_Register(0);
  32   for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {
  33     regName[i++] = reg->name();
  34     reg = reg->successor();
  35   }
  36   FloatRegister freg = ::as_FloatRegister(0);
  37   for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
  38     regName[i++] = freg->name();
  39     freg = freg->successor();
  40   }
  41   assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");
  42 }
  43 
  44 bool VMRegImpl::is_Register() {
  45   return value() >= 0 &&
  46          value() < ConcreteRegisterImpl::max_gpr;
  47 }
  48 
  49 bool VMRegImpl::is_FloatRegister() {
  50   return value() >= ConcreteRegisterImpl::max_gpr &&
  51          value() < ConcreteRegisterImpl::max_fpr;
  52 }
  53 
  54 Register VMRegImpl::as_Register() {
  55   assert(is_Register(), "must be");
  56   return ::as_Register(value());
  57 }
  58 
  59 FloatRegister VMRegImpl::as_FloatRegister() {
  60   assert(is_FloatRegister(), "must be" );
  61   return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr);
  62 }